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What is the effect of the order of the reactants in a chemical reaction on the reaction rate? Provide an experimental method to investigate this relationship for a reaction with two reactants.
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Feb 22
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Chemical kinetics
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SheilaSchaef
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What is the most suitable polymer electrolyte material for use in a lithium-ion battery and why?
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Feb 21
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Polymer Chemistry
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NorineFelici
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How does the molecular weight of a polymer affect its mechanical and thermal properties when used in 3D printing applications, and what specific molecular weight range is best suited for producing high-quality printed parts with optimal performance?
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Feb 21
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Materials Chemistry
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What is the most effective method for synthesizing carbon nanotubes?
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Feb 21
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Materials Chemistry
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How does the photochemical activity of silver nanoparticles with different sizes vary, and how does this affect their potential application in photocatalysis?
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Feb 22
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PhotoChemistry
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Benjamin55Q0
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What are the most effective surfactants and how can they be incorporated into a detergent formulation to achieve optimal cleaning performance while minimizing environmental impact in the production of detergents?
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Feb 21
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Chemical engineering
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LorenaReinha
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What are the optimal conditions and parameters required for 3D printing of polylactic acid (PLA) polymer, and how do these conditions affect the mechanical properties and print quality of the final product?
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Feb 21
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Materials Chemistry
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SimonMcWilli
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What are the resonance structures of the nitrate ion and how do they contribute to its stability?
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Feb 21
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Chemical bonding
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LizaSwenson
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What is the most efficient method for synthesizing quantum dots with a narrow size distribution and high quantum yield using environmentally friendly solvents and non-toxic precursors?
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Feb 21
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Materials Chemistry
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LovieCastles
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What is the optimum temperature and pressure for the production of polyethylene oxide from the monomer ethylene oxide using a catalytic reactor? And what are the key properties of the resulting polymer, such as molecular weight and functionality?
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Feb 22
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Chemical synthesis
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MarcyLowrie
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What is the most probable distribution of energy among particles in a gas that has a constant temperature and volume? Provide an explanation for your answer using the concepts of statistical mechanics and thermodynamic ensembles.
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Feb 21
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Physical Chemistry
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Fawn72203404
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What is the optimal ratio of titanium dioxide nanoparticles and graphene oxide in a composite material for use in high-performance dye-sensitized solar cells? How does this ratio affect the overall efficiency and stability of the solar cell?
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Feb 21
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Materials Chemistry
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Hugo83583981
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What is the most effective protecting group for alcohols during a reaction with an electrophilic reagent, and why?
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Feb 21
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Organic Chemistry
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VanceW838771
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What is the most efficient and cost-effective process for producing ammonium nitrate fertilizer on a large scale, taking into consideration environmental impact and safety measures?
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Feb 21
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Chemical engineering
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KWFErin73234
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What is the optimum reaction temperature for the synthesis of polyvinyl chloride (PVC) from vinyl chloride monomer, and how does this temperature affect the yield and properties of the final PVC product?
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Feb 22
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Chemical synthesis
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JodieGartrel
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What is the most efficient way of synthesizing graphene oxide-based nanocomposites for use in water purification and how do the physical and chemical characteristics of the resulting material affect its performance?
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Feb 21
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Materials Chemistry
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TomokoSorian
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What is the overpotential of an electrochemical reaction if the standard potential is 0.8V and the measured potential is 1.2V?
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Feb 22
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ElectroChemistry
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HalleySomers
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80
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What is the optimal ratio of diisocyanate to polyol needed for the synthesis of polyurethane with desirable properties such as tensile strength and elasticity?
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Feb 21
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Chemical synthesis
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JerroldCleve
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What is the overpotential required to generate a current of 0.5 A in a galvanic cell where the standard potential is 1.4 V and the actual potential is 1.6 V? Show the calculations and explain why the overpotential is necessary for the reaction to proceed.
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Feb 22
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ElectroChemistry
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EvieOconnor
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What is the optimal ratio of diisocyanate to polyol for synthesizing polyurethane with the desired mechanical properties?
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Feb 21
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Chemical synthesis
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StephaniaTkt
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1.8k
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